Which formula describes the following arithmetic sequence? remember that n represents the term number. 3, 5, 7, 9, an = 2 ∙ 3n - 1 an = 3 ∙ 2n - 1 an = 2 + 3(n - 1) an = 3 + 2(n - 1)

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Which of the following is the sum of 3 1/6 + 6 3/8?